GA Contractor drive mode. Masonry. 10 questions.
Question 1 of 10.
Mortar on the board has stiffened from evaporation 40 minutes after mixing, in mild weather. Under ASTM C270-19a Section 7.4, what may the mason do?
A: Retemper it once only, then discard it
B: Add more cement to restore its strength, then use it without a time limit
C: Discard it, because retempering is prohibited
D: Retemper it with water as often as needed, and use it within 2 1 over 2 h of mixing
NEXT: A · B · C · D
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